One of the functions of the auto air conditioning system is to remove moisture from the air. This moisture can combine with debris and settle in the system evaporator, providing prime conditions for the growth of mold spores and fungi. This often creates an unpleasant odor in air blown into the auto interior. Additionally, the mold spores growing in the system evaporator can cause allergic reactions which may result in headaches, burning sensation in the eyes or dizziness.
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